... HRC, HRB, HV, HB,HSTensile Strength UTS range(steel only)sb from 370 to 2000 (106 N/mm?Testable workpieceThickness coupled ... working 48 hours continuously (without backlight)Operating temperature-20? to+50?Dimensions215mm?40mm?5mmWeight450g ( with 4 AAA batteries)Table 1 (For ... , DC, D+15, DL, G * Special support rings Portable hardness tester, build in Mini-printer, lower and upper limits setting with ...